LoadMonitor_MySQL Class Reference

Basic MySQL load monitor with no external dependencies Uses memcached to cache the replication lag for a short time. More...

Inheritance diagram for LoadMonitor_MySQL:

Collaboration diagram for LoadMonitor_MySQL:

List of all members.

Public Member Functions
	__construct ($parent)
	getLagTimes ($serverIndexes, $wiki)
	postConnectionBackoff ($conn, $threshold)
	scaleLoads (&$loads, $group=false, $wiki=false)
Public Attributes
	$parent

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Detailed Description

Basic MySQL load monitor with no external dependencies Uses memcached to cache the replication lag for a short time.

Definition at line 85 of file LoadMonitor.php.

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Constructor & Destructor Documentation

LoadMonitor_MySQL::__construct

(

$

parent

)

Parameters:

LoadBalancer

$parent

Implements LoadMonitor.

Definition at line 95 of file LoadMonitor.php.

References $parent.

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Member Function Documentation

LoadMonitor_MySQL::getLagTimes	(	$	serverIndexes,
		$	wiki
	)

Parameters:

$serverIndexes
$wiki

Returns:

array

Implements LoadMonitor.

Definition at line 112 of file LoadMonitor.php.

References $wgMemc, wfGetMainCache(), wfIncrStats(), wfMemcKey(), wfProfileIn(), and wfProfileOut().

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LoadMonitor_MySQL::postConnectionBackoff	(	$	conn,
		$	threshold
	)

Parameters:

$conn	DatabaseBase
$threshold

Returns:

int

Implements LoadMonitor.

Definition at line 173 of file LoadMonitor.php.

References wfLogDBError().

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LoadMonitor_MySQL::scaleLoads	(	&$	loads,
		$	group = false,
		$	wiki = false
	)

Parameters:

$loads
$group	bool
$wiki	bool

Implements LoadMonitor.

Definition at line 104 of file LoadMonitor.php.

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Member Data Documentation

LoadMonitor_MySQL::$parent

Definition at line 90 of file LoadMonitor.php.

Referenced by __construct().

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The documentation for this class was generated from the following file:

• includes/db/LoadMonitor.php